This feature allows using the custom claim in the JWT token as a user ID.
Refactor claims extractor with options support
Add is_current to the user API response
* Added Domain Category field and fix store tests
* Add GetAccountByDomain method
* Add Domain Category to authorization claims
* Initial GetAccountWithAuthorizationClaims test cases
* Renamed Private Domain map and index it on saving account
* New Go build tags
* Added NewRegularUser function
* Updated restore to account for primary domain account
Also, added another test case
* Added grouping user of private domains
Also added auxiliary methods for update metadata and domain attributes
* Update http handles get account method and tests
* Fix lint and document another case
* Removed unnecessary log
* Move use cases to method and add flow comments
* Split the new user and existing logic from GetAccountWithAuthorizationClaims
* Review: minor corrections
Co-authored-by: braginini <bangvalo@gmail.com>
